About TLA 

 Reactions 

Constant EOB

After cooling

Linear EOB

After cooling

Cross sections

References

 

Last updated: January 2010, by S. Takacs

Producing activity decreasing linearly in depth

181Ta(a,2n)183Re

183Re

Irradiation time = 1 h

Beam current = 1 mA
Eg = 162.32 keV T1/2 = 71 d
Ig = 23.3 % Tolerance = 1%

Geometry factor = 1

Irradiation angle = 90 degree

Bombarding Energy of  24.1 MeV

EOB

Total activity at EOB = 58.7 kBq

Activity of the linear layer at EOB = 43.6 kBq

Specific activity on the surface at EOB = 4.382 kBq/mm

Thickness of the layer with linear activity = 14.0 mm
Activity = ax + b   a = -0.1797  b = 4.3819